explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

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Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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What is the Difference Between MCCB & ACB & VCB

4 Answers   ABB,

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what is difference between neutral and ground wire?

2 Answers   TCS,

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whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 Answers  

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A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 Answers  

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How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 Answers  

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In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 Answers  

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

4 Answers   Suzlon,

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How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

0 Answers  

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in three phase circuit neutral failure what happend in homes

4 Answers  

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